S1·E31 No Pockets In A Shroud

Mike decides to investigate when the darkroom belonging to his girlfriend's brother is destroyed by someone looking for an incriminating photograph. Since the negative and all the copies of the photograph were destroyed Mike doesn't have a leads to go on, until he hires a fingerprint expert to dust the nightclub where the photographer worked. He learns that the man very interested in not having his picture taken was a racketeer who had been declared dead three years earlier when the plane he purportedly was flying in crashed and burned.